81880980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3257}}^1$

素因数の和:3688

約数の個数: 48

約数和(自身を含む): 229884480

約数和(自身を除く): 148003500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 419, 838, 1257, 1676, 2095, 2514, 3257, 4190, 5028, 6285, 6514, 8380, 9771, 12570, 13028, 16285, 19542, 25140, 32570, 39084, 48855, 65140, 97710, 195420, 1364683, 2729366, 4094049, 5458732, 6823415, 8188098, 13646830, 16376196, 20470245, 27293660, 40940490, 81880980]

約数ペア:

[(1, 81880980), (2, 40940490), (3, 27293660), (4, 20470245), (5, 16376196), (6, 13646830), (10, 8188098), (12, 6823415), (15, 5458732), (20, 4094049), (30, 2729366), (60, 1364683), (419, 195420), (838, 97710), (1257, 65140), (1676, 48855), (2095, 39084), (2514, 32570), (3257, 25140), (4190, 19542), (5028, 16285), (6285, 13028), (6514, 12570), (8380, 9771)]